package filter;

import javax.servlet.*;
import java.io.IOException;

/*public class filter implements Filter {

    public void init(FilterConfig filterConfig) throws ServletException {

    }

    public void doFilter(ServletRequest servletRequest, ServletResponse servletResponse, FilterChain filterChain) throws IOException, ServletException {
        Object yonghu = servletRequest.getAttribute("yonghu");
        if (yonghu!=null){
    }

    public void destroy() {

    }
}*/
